'''
Author: Faye Lee
Date: 2025-05-02 16:01:56
LastEditTime: 2025-05-09 11:34:14
LastEditors: Faye Lee
Description: 
FilePath: \pygame_alien\button.py
Halo Baby,欢迎打开新世界的大门!
'''
import pygame.font

class Button:
    def __init__(self, ai_settings, screen, msg):
        """初始化按钮的属性"""
        self.screen = screen
        self.screen_rect = screen.get_rect()
        # 设置按钮的尺寸和其他属性
        self.width, self.height = 200, 50
        self.button_color = ai_settings.button_color
        self.text_color = ai_settings.button_text_color
        self.font = pygame.font.Font(ai_settings.button_font_path, ai_settings.button_font_size)
        # 创建按钮的rect对象，并使其居中
        self.rect = pygame.Rect(0, 0, self.width, self.height)
        self.rect.center = self.screen_rect.center
        # 按钮的标签只需创建一次
        self.prep_msg(msg)

    def prep_msg(self, msg):
        """将msg渲染为图像，并使其在按钮上居中"""
        self.msg_image = self.font.render(msg, True, self.text_color, self.button_color)
        self.msg_image_rect = self.msg_image.get_rect()
        self.msg_image_rect.center = self.rect.center


    def draw_button(self):
        """绘制一个用颜色填充的按钮，再绘制文本"""
        self.screen.fill(self.button_color, self.rect)
        self.screen.blit(self.msg_image, self.msg_image_rect)
